$ git clone -n https://src.fedoraproject.org/rpms/rakudo-zef.git /var/lib/mock/f31-build-49280-27265/root/chroot_tmpdir/scmroot/rakudo-zef
Cloning into '/var/lib/mock/f31-build-49280-27265/root/chroot_tmpdir/scmroot/rakudo-zef'...
$ git reset --hard 8b4d163a393da1548787d71748045ca8e475613b
HEAD is now at 8b4d163 update to 0.7.4